Search

CN-121979361-A - Safety protection device for control handle

CN121979361ACN 121979361 ACN121979361 ACN 121979361ACN-121979361-A

Abstract

The invention provides a safety protection device for a control handle, which comprises a mounting frame, a limiting plate and a locking assembly, wherein the mounting frame is provided with a vertical supporting plate, the limiting plate is provided with a limiting groove matched with the control handle, the limiting plate is rotationally connected with the vertical supporting plate to enable the limiting plate to be provided with an unlocking position and a locking position, the locking assembly comprises a controller and a driver, the driver is electrically connected with the controller, the driver is in transmission connection with the limiting plate, when the limiting plate is in the locking position, the control handle is positioned in the limiting groove, and when the limiting plate is switched from the locking position to the unlocking position, the driver drives the limiting plate to rotate to enable the control handle to be moved out of the limiting groove. The invention realizes the automatic locking and unlocking of the control handle, effectively prevents misoperation and improves the safety of equipment or a system.

Inventors

  • QIU BO
  • ZUO GANGYONG
  • REN XIAOLI
  • WEI SHUAI
  • YAN JINBAO
  • XIE GEHUI
  • ZHANG DONGBAO
  • SONG MINGJIANG
  • WANG FUQIANG
  • CHEN MINGJIAN
  • WANG ZHUANG
  • AN FEI
  • SUN KUI
  • SUN CHENGUANG
  • DONG YUE

Assignees

  • 中国煤炭科工集团太原研究院有限公司
  • 山西天地煤机装备有限公司

Dates

Publication Date
20260505
Application Date
20251224

Claims (10)

  1. 1. A safety protection device for a steering handle, comprising: -a mounting frame (11), said mounting frame (11) having a vertical support plate (111); the limiting plate (12) is provided with a limiting groove (121) matched with the control handle (100), and the limiting plate (12) is rotationally connected with the vertical support plate (111) so that the limiting plate (12) has an unlocking position and a locking position; The locking assembly (13), the locking assembly (13) comprises a controller and a driver (131), the driver (131) is electrically connected with the controller, the driver (131) is in transmission connection with the limiting plate (12), when the limiting plate (12) is in a locking position, the control handle (100) is located in the limiting groove (121), and when the limiting plate (12) is switched from the locking position to an unlocking position, the driver (131) drives the limiting plate (12) to rotate, so that the control handle (100) is moved out of the limiting groove (121).
  2. 2. The safety protection device for a steering handle according to claim 1, wherein the driver (131) comprises a base (1311), a piston rod (1312) and a gas supply module (132), a sliding cavity (1313) is arranged in the base (1311), the base (1311) is provided with an inlet (1314) and an outlet (1315), the inlet (1314) is communicated with the gas supply module (132), the piston rod (1312) is slidably arranged in the sliding cavity (1313) to push the limiting plate (12) to rotate, a first elastic piece (134) is arranged between the piston rod (1312) and the base (1311), a hollow cavity (13121) is arranged in the piston rod (1312), the hollow cavity (13121) is provided with a first opening (13122) and a second opening (13123), the piston rod (1312) is provided with a first position and a second position relative to the base (1311), the first opening (13122) is communicated with the outlet (1315) when the second position is reached, and the second opening (1314) is communicated with the inlet (13123).
  3. 3. The safety protection device for a steering handle according to claim 2, wherein the controller comprises a switching valve (133), the gas supply module (132) comprises a first switching valve (1321) and a gas storage bin (1323), the gas storage bin (1323) is used for storing gas with pressure, the first switching valve (1321) is arranged at a gas outlet of the gas storage bin (1323), the first switching valve (1321) is connected with the controller, the switching valve (133) has a first station and a second station, in the first station, the switching valve (133) is communicated with the first switching valve (1321) and the inlet (1314), in the second station, the switching valve (133) is disconnected with the first switching valve (1321) and the inlet (1314), and the inlet (1314) is communicated with the atmosphere.
  4. 4. A safety arrangement for a steering handle according to claim 3, wherein the air supply module (132) further comprises an overflow valve (1324), the overflow valve (1324) being provided to the air reservoir (1323).
  5. 5. The safety device for a steering handle according to claim 2, wherein a locking groove (1316) is provided at an end portion of the piston rod (1312), the locking groove (1316) has a locking surface (1317) and a guide inclined surface (1318) that are connected, the locking surface (1317) abuts against the stopper plate (12) when the steering handle (100) is located in the stopper groove (121), and the guide inclined surface (1318) is located below the stopper plate (12) and the piston rod (1312) is inclined toward the stopper plate (12).
  6. 6. The safety arrangement for a joystick according to claim 1, wherein the controller comprises a remote control unit, the remote control unit being communicatively connected to a terminal device for receiving control signals transmitted by the terminal device.
  7. 7. The safety device for a steering handle according to claim 1, wherein the mounting frame (11) has a lateral support plate (112), the lateral support plate (112) is connected with the vertical support plate (111), and the lateral support plate (112) is disposed below the limit plate (12) to receive the limit plate (12).
  8. 8. The safety device for a steering handle according to claim 7, wherein two of the lateral support plates (112) are provided, and the two lateral support plates (112) are respectively located on opposite sides of the limit groove (121).
  9. 9. The safety protection device for a steering handle according to claim 1, further comprising a connection hinge (14), the connection hinge (14) comprising a fixed portion (141) and a movable portion (142), the fixed portion (141) having a connection sleeve (1411), the movable portion (142) having a connection shaft (1421), the connection shaft (1421) being rotatably provided in the connection sleeve (1411), one of the fixed portion (141) and the movable portion (142) being connected to the mounting bracket (11), the other of the fixed portion (141) and the movable portion (142) being connected to the limiting plate (12).
  10. 10. The safety protection device for a steering handle according to claim 9, wherein the connecting hinge (14) further comprises a damper (143), the damper (143) comprises a limiting block (1431) and a second elastic member (1432), the limiting block (1431) is arranged at the end part of the connecting sleeve (1411), one end of the second elastic member (1432) is connected with the limiting block (1431), the other end of the second elastic member (1432) is connected with a limiting column (1433), a plurality of limiting holes (1422) are formed in the end part of the connecting shaft (1421), the limiting holes (1422) are annularly distributed, and the limiting column (1433) is matched with the limiting holes (1422).

Description

Safety protection device for control handle Technical Field The invention relates to the technical field of safety of mining equipment, in particular to a safety protection device for a control handle. Background In the underground working environment of the coal mine, the handle mechanism is widely applied to various mining equipment, transportation equipment, ventilation equipment and the like, and is a key operation part for ensuring smooth proceeding of coal mine production. However, the underground working environment of the coal mine is dim in light, and workers often can accidentally touch the handle mechanism in the moving or operating process, so that great potential safety hazards exist. Disclosure of Invention The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the invention provides the safety protection device for the control handle, which realizes automatic locking and unlocking of the control handle, effectively prevents misoperation and improves the safety of equipment or a system. The invention provides a safety protection device for a control handle, comprising: The installation frame is provided with a vertical support plate; The limiting plate is provided with a limiting groove matched with the control handle, and is rotationally connected with the vertical support plate, so that the limiting plate is provided with an unlocking position and a locking position; The locking assembly comprises a controller and a driver, wherein the driver is electrically connected with the controller and is in transmission connection with the limiting plate, the control handle is located in the limiting groove when the limiting plate is located at a locking position, and the driver drives the limiting plate to rotate when the limiting plate is switched from the locking position to an unlocking position, so that the control handle is moved out of the limiting groove. In summary, the safety protection device for the control handle provided by the invention realizes reliable locking and unlocking of the control handle through the cooperative work of the mounting frame, the limiting plate and the locking assembly, effectively prevents misoperation and improves the safety of equipment or a system. And secondly, the locking assembly adopts an automatic control mode of a controller and a driver, is convenient and quick to operate, has high response speed, and can meet the requirements of modern industrial production on high efficiency and intellectualization. In some embodiments, the driver comprises a base, a piston rod and a gas supply module, wherein a sliding cavity is arranged in the base, the base is provided with an inlet and an outlet, the inlet is communicated with the gas supply module, the piston rod is slidably arranged in the sliding cavity to push the limiting plate to rotate, a first elastic piece is arranged between the piston rod and the base, a hollow cavity is arranged in the piston rod, the hollow cavity is provided with a first opening and a second opening, the piston rod is provided with a first position and a second position relative to the base, in the first position, the first opening is communicated with the outlet, and in the second position, the second opening is communicated with the inlet. In some embodiments, the controller includes a switching valve, the gas supply module includes a first switching valve and a gas storage bin, the gas storage bin is configured to store gas having pressure, the first switching valve is disposed at a gas outlet of the gas storage bin, the first switching valve is connected to the controller, the switching valve has a first station and a second station, when in the first station, the switching valve communicates the first switching valve with the inlet, when in the second station, the switching valve disconnects the first switching valve with the inlet, and the inlet communicates with the atmosphere. In some embodiments, the gas supply module further comprises an overflow valve provided to the gas storage bin. In some embodiments, the end of the piston rod is provided with a locking groove, the locking groove is provided with a locking surface and a guiding inclined surface which are connected, when the control handle is positioned in the limiting groove, the locking surface is abutted against the limiting plate, and the guiding inclined surface is positioned below the limiting plate and is obliquely arranged from the piston rod towards one side of the limiting plate. In some embodiments, the controller includes a remote control unit communicatively coupled to the terminal device to receive the control signal sent by the terminal device. In some embodiments, the mounting frame has a lateral support plate connected to the vertical support plate, and the lateral support plate is disposed below the limit plate to receive the limit plate. In some embodiments, two transve